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$800.00 USD

Optimum Tuning by ZAC Motorsport Optimum Tuning is ZAC Motorsport’s in-house performance calibration division. Every...

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Buy with confidence from a family run business that values customer service.

30 day returns, Unrivalled Warranty

Questions? sales@zacmotorsport.com

WHATSAPP +61437572345

Instructions

ECU Reflash required? YES

Availability : In Stock Pre order Out of stock
Description

Optimum Tuning by ZAC Motorsport

Optimum Tuning is ZAC Motorsport’s in-house performance calibration division. Every tune is developed to deliver the perfect balance of power, response, and reliability, customised for your specific vehicle setup.

Unlike generic flash files, Optimum calibrations are tailored to your intake, exhaust, altitude, fuel quality, and driving style — ensuring the engine operates efficiently in all conditions. The result is smoother throttle control, stronger mid-range torque, and sharper overall performance without compromising drivability or engine safety.

Our remote tuning process is simple: connect your laptop using the ZAC Motorsport Optimum Tuning Tool, and our specialists fine-tune your ECU live over a secure connection. Optional data logging and revision packages are available for those seeking absolute perfection.

Why choose Optimum Tuning:

  • Custom ECU calibration for your unique setup

  • Tuned for local fuel quality and climate conditions

  • Optimised boost, torque delivery, and throttle mapping

  • Remote service with full professional support

  • Optional data logging and refinement for maximum results

Optimum Tuning gives you more than just added power — it delivers performance that feels engineered specifically for your car.

 

MODEL

Stage 1

"BRONZE" 

 SUPPORTING MODS

Stage 2

"SILVER" 

 SUPPORTING MODS

Stage 3

"GOLD" 

 SUPPORTING MODS

Stage 4

"PLATINUM" 

 SUPPORTING MODS ULTIMATE HP SUPPORTING MODS
A45 (W176) +50 ZAC Cold Air Intake +100 + ZAC Downpipes +175 + ZAC SHF Turbo +225 + HPFP Upgrade Coming Soon Coming Soon
A45S (W177) +89 Coming Soon +150 + ZAC Downpipes Coming Soon Coming Soon Coming Soon Coming Soon Coming Soon Coming Soon
C63 (W204) +53 ZAC SHF Filter Kit +103 + ZAC Exhaust Headers Coming Soon Coming Soon Coming Soon Coming Soon Coming Soon Coming Soon
C43 (W205) +53 Coming Soon +113 +ZAC Downpipes +153 +ZAC SHF700 Turbos Coming Soon Coming Soon Coming Soon Coming Soon
C63 (W205 476hp) +94 ZAC Cold Air Intake +144 +ZAC Downpipes +314 +ZAC SHF900 Turbos +400 +HPFP Upgrade 500+ Contact Us
GLC43 (X253) +53 Coming Soon +113 +ZAC Downpipes +153 +ZAC SHF700 Turbos Coming Soon Coming Soon Coming Soon Coming Soon
GLC63 (X253 510hp) +94 ZAC Cold Air Intake +170 +ZAC Downpipes +310 +ZAC SHF900 Turbos +400 +HPFP Upgrade Contact Us Contact Us
E63 (W212 585hp) +75 ZAC SHF Filter Kit +125 +ZAC Downpipes +185 +ZAC SHF800 Turbos +255 Contact Us Contact Us Contact Us
E63 (W213 612hp) +118 ZAC Cold Air Intake +178 +ZAC Downpipes +310 +ZAC SHF900 Turbos +340 +HPFP Upgrade +400 Contact Us
GLE/S (V167 612 hp) +168 ZAC Cold Air Intake +250 +ZAC Downpipes +310 +ZAC SHF900 Turbos +340 +HPFP Upgrade 400+ Contact Us
G63 (W463a 585hp) +146 ZAC Cold Air Intake +176 +ZAC Downpipes +300 +ZAC SHF900 Turbos +365 +HPFP Upgrade 400+ Contact Us
AMG GT (C190 476hp) +114 ZAC Cold Air Intake +164 +ZAC Downpipes +324 +ZAC SHF900 Turbos +400 +HPFP Upgrade 500+ Contact Us

 

Specifications

How we tune:

You order the tune,
We send you your required hardware (intake, downpipe etc if ordered). We send you a link to download the required software to your laptop.
We send you our OBD2 dongle.
We send you a form, to fill in and return, outlining your vehicle details and modifications, VIN, Fuel, etc,
The base tune is written.
then a time is scheduled to upload the base tune to your car, using remote desktop software.
If you choose to log and refine the tune:
A log file is created, this requires either dyno time, or some full power runs in a safe legal environment.
The log file is sent to us for refinement
A time is scheduled to upload the refined tune to your vehicle.

Warranty

WARRANTY:

WARRANTY UPDATE: We want you to be happy! Our warranty is here to back up the faith we have in our products, which are designed and engineered in Australia. If you have any issues, please contact us! sales@zacmotorsport.com

Starting from 1st October 2024 our ZAC warranty covers defects in materials and workmanship of your ZAC Product for 2 years (previously 1 year) from the date of purchase for the original purchaser.  This is applicable to purchases made from 1st October 2024 onwards, with the exception of ECU Tuning/Re-Flashing, which have a 30 day satisfaction guarantee.  

Further details can be found here...

 

What's Included?

Included in the box:Where required, a Complimentary OBD2 Dongle and cord to plug into your computer
You must supply a LAPTOP computer
YOU must have GOOD RELIABLE INTERNET connection available at the vehicle
NOTE: Some tune stages require HARDWARE. Please refer to the table in DESCRIPTION tab.
Note, some vehicle models may require specialist tuning tools, only available at specialists garages.

Installation Information

This Product is easily installed.
You just need a Laptop (prefer Windows, MAC we cannot do past stage 2)
And GOOD RELIABLE INTERNET
Our aim is to provide you a safe reliable tune. The numbers below are conservative and indicative only. Actual HP numbers may vary (up or down) depending on many factors, especially what brand of dyno is used (if used). engine condition and mileage, fuel quality, altitude, weather etc.
Our Promise
If you are not happy with our tuning, and we cannot meet your expectations, we simply remove the tune and load the factory standard map. And return you the cost of the tune. Easy as that!
PLEASE NOTE! This is not a diagnostic / error fixing service. If you have any error codes with your vehicle, please have them addressed at your local mechanic.